Volume 36 Issue 10
Oct.  2021
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Article Navigation >  Journal of Aerospace Power  > 2021  >  36(10): 2197-2206
GUO Qiling, LIU Senyun, YI Xian, GUO Xiangdong, LIU Yu, YANG Shengke. Influence of sidewall interference in wind tunnel on rime ice on airfoil[J]. Journal of Aerospace Power, 2021, 36(10): 2197-2206. doi: 10.13224/j.cnki.jasp.20200517
Citation: GUO Qiling, LIU Senyun, YI Xian, GUO Xiangdong, LIU Yu, YANG Shengke. Influence of sidewall interference in wind tunnel on rime ice on airfoil[J]. Journal of Aerospace Power, 2021, 36(10): 2197-2206. doi: 10.13224/j.cnki.jasp.20200517
shu

Influence of sidewall interference in wind tunnel on rime ice on airfoil

doi: 10.13224/j.cnki.jasp.20200517
  • 1.

    Key Laboratory of Icing and Anti/de-icing，China Aerodynamics Research and Development Center，Mianyang Sichuan 621000，China

  • 2.

    State Laboratory of Aerodynamics，China Aerodynamics Research and Development Center，Mianyang Sichuan 621000，China

  • Received Date: 2020-12-09
  • Publish Date: 2021-10-28
    Abstract
  • Numerical simulation was used to study the influence of sidewall interference on the process of ice accretion on NACA0012 airfoil under different blockage ratios.Research on the flow field and droplet trajectories showed that the sidewall can compress the air，causing more droplets to impact the leading edge of the wing，increasing the collection coefficient；the total amount of droplets collected on the wing surface was proportional to the blockage ratio and inversely proportional to the droplet Reynolds number；the sidewall can change the direction of droplet impaction，causing the offset of impingement limit and the position of the maximum local collection coefficient.The study of ice accretion using a multi-step method showed that the relative additional increment caused by the sidewall interference influence was about 16% under the baseline calculation condition，when the blockage ratio was 20% the relative additional increment icing mass in each time step was basically the same under the same blockage ratio.A factor reflecting the influence of sidewall interference on droplet collection was proposed，indicating an approximate linear relation with the additional increment of droplet collection.

     

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